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AISI 420 Stainless Steel vs. N06975 Nickel

AISI 420 stainless steel belongs to the iron alloys classification, while N06975 nickel belongs to the nickel alloys. They have a modest 32% of their average alloy composition in common, which, by itself, doesn't mean much. There are 26 material properties with values for both materials. Properties with values for just one material (8, in this case) are not shown.

For each property being compared, the top bar is AISI 420 stainless steel and the bottom bar is N06975 nickel.

Metric UnitsUS Customary Units

Mechanical Properties

Elastic (Young's, Tensile) Modulus, GPa 190
200
Elongation at Break, % 8.0 to 15
45
Fatigue Strength, MPa 220 to 670
210
Poisson's Ratio 0.28
0.28
Shear Modulus, GPa 76
80
Shear Strength, MPa 420 to 1010
470
Tensile Strength: Ultimate (UTS), MPa 690 to 1720
660
Tensile Strength: Yield (Proof), MPa 380 to 1310
250

Thermal Properties

Latent Heat of Fusion, J/g 280
320
Maximum Temperature: Mechanical, °C 620
1000
Melting Completion (Liquidus), °C 1510
1430
Melting Onset (Solidus), °C 1450
1380
Specific Heat Capacity, J/kg-K 480
460
Thermal Expansion, µm/m-K 10
13

Otherwise Unclassified Properties

Base Metal Price, % relative 7.5
50
Density, g/cm3 7.7
8.3
Embodied Carbon, kg CO2/kg material 2.0
8.9
Embodied Energy, MJ/kg 28
120
Embodied Water, L/kg 100
270

Common Calculations

Resilience: Ultimate (Unit Rupture Work), MJ/m3 88 to 130
240
Resilience: Unit (Modulus of Resilience), kJ/m3 380 to 4410
150
Stiffness to Weight: Axial, points 14
14
Stiffness to Weight: Bending, points 25
24
Strength to Weight: Axial, points 25 to 62
22
Strength to Weight: Bending, points 22 to 41
20
Thermal Shock Resistance, points 25 to 62
18

Alloy Composition

Carbon (C), % 0.15 to 0.4
0 to 0.030
Chromium (Cr), % 12 to 14
23 to 26
Copper (Cu), % 0
0.7 to 1.2
Iron (Fe), % 82.3 to 87.9
10.2 to 23.6
Manganese (Mn), % 0 to 1.0
0 to 1.0
Molybdenum (Mo), % 0 to 0.5
5.0 to 7.0
Nickel (Ni), % 0 to 0.75
47 to 52
Phosphorus (P), % 0 to 0.040
0 to 0.030
Silicon (Si), % 0 to 1.0
0 to 1.0
Sulfur (S), % 0 to 0.030
0 to 0.030
Titanium (Ti), % 0
0.7 to 1.5